Extrusion



FIG. 1 is a bottom, rear and left side perspective view;

FIG. 2 is a top elevation view;

FIG. 3 is a rear perspective view;

FIG. 4 is an end elevation view thereof;

FIG. 5 is a bottom front and right side perspective view;

FIG. 6 is a top, front and right side perspective view; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an extrusion, as shown and described. 